Journal
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
Volume 619, Issue 1-3, Pages 174-176Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.nima.2009.10.171
Keywords
Scintillation properties; Gd2O3:Eu scintillator; X-ray imaging detector
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Gd2O3:Eu scintillators with nano-crystalline structures were successfully synthesized through a precipitation method and subsequent calcination treatment as a converter for X-ray imaging detectors. In this work, a simple precipitation process was carried out using diethanolamine (DEA) as a precipitant to prepare nano-crystalline Eu-doped Gd2O3 powders. Scintillation properties such as luminescent spectra, light intensity and decay time were measured by varying the calcination temperature in heat-treatment of the synthesized powder. The sample prepared at 1200 degrees C calcination temperature showed the highest light intensity. And the scintillator emitted a strong red light at near 611 nm under photo-and X-ray luminescence for its potential X-ray imaging detector applications. (C) 2009 Elsevier B.V. All rights reserved.
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